package com.llz.leaveApply.service.impl;


import cn.hutool.core.date.DateTime;
import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import com.llz.leaveApply.config.ConstanctPropertiesUtils;
import com.llz.leaveApply.service.FileService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.UUID;


@Service
public class FileServiceImpl implements FileService {
        @Autowired
        ConstanctPropertiesUtils constanctPropertiesUtils;
        @Override
        public String upload(MultipartFile file) {
                return null;
        }

        @Override
        public String uploadAvator(MultipartFile file) {

                //参考阿里云官方代码 简单上传模块
                // Endpoint以华东1（杭州）为例，其它Region请按实际情况填写。
                String endpoint = ConstanctPropertiesUtils.EndPoint;
                // 阿里云账号AccessKey拥有所有API的访问权限，风险很高。强烈建议您创建并使用RAM用户进行API访问或日常运维，请登录RAM控制台创建RAM用户。
                String accessKeyId = ConstanctPropertiesUtils.ACCESS_KEY_ID;
                String accessKeySecret = ConstanctPropertiesUtils.ACCESS_KEY_SECRET;
                // 填写Bucket名称，例如examplebucket。
                String bucketName = ConstanctPropertiesUtils.BUCKET_NAME;
                // 填写Object完整路径，完整路径中不能包含Bucket名称，例如exampledir/exampleobject.txt。
                String objectName = file.getOriginalFilename();
                // 填写本地文件的完整路径，例如D:\\localpath\\examplefile.txt。
                // 如果未指定本地路径，则默认从示例程序所属项目对应本地路径中上传文件流。

                //文件添加后缀确保唯一
                String uuid= UUID.randomUUID().toString().replace("-","");
                //设置文件路径 以将文件按时间分类
                String filePath=new DateTime().toString("YYYY/MM/dd");
                objectName=filePath+'/'+uuid+objectName;

                // 创建OSSClient实例。
                OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);

                try {
                        InputStream inputStream = file.getInputStream();
                        // 创建PutObject请求。
//                        objectName:文件路径
                        ossClient.putObject(bucketName, objectName, inputStream);
                } catch (OSSException oe) {
                        System.out.println("Caught an OSSException, which means your request made it to OSS, "
                                + "but was rejected with an error response for some reason.");
                        System.out.println("Error Message:" + oe.getErrorMessage());
                        System.out.println("Error Code:" + oe.getErrorCode());
                        System.out.println("Request ID:" + oe.getRequestId());
                        System.out.println("Host ID:" + oe.getHostId());
                } catch (ClientException ce) {
                        System.out.println("Caught an ClientException, which means the client encountered "
                                + "a serious internal problem while trying to communicate with OSS, "
                                + "such as not being able to access the network.");
                        System.out.println("Error Message:" + ce.getMessage());
                } catch (FileNotFoundException e) {
                        e.printStackTrace();
                } catch (IOException e) {
                        e.printStackTrace();
                } finally {
                        if (ossClient != null) {
                                ossClient.shutdown();
                        }
                }
                //返回上传到阿里云的路径
//                https://wwm-1.oss-cn-nanjing.aliyuncs.com/h1.jpeg
                String url= String.format("https://%s.%s/%s", bucketName,endpoint,objectName);
//                url="https://"+wwm-1.oss-cn-nanjing.aliyuncs.com"+objectName;
                return url;
        }




}
